Summary of Significant Accounting Policies - Schedule of Estimated Useful Lives of Other Intangible Assets (Details)	12 Months Ended
	Dec. 31, 2017
Patents
Estimated useful lives of other intangible assets
Finite-lived intangible asset, useful life	20 years
Engineering Drawings
Estimated useful lives of other intangible assets
Finite-lived intangible asset, useful life	15 years
Customer Relationships
Estimated useful lives of other intangible assets
Finite-lived intangible asset, useful life	10 years